ryuk

General

Target

2024-12-17_67164c4680d767fcc5dbe48c3586444c_luca-stealer_ryuk
Size

384KB
Sample

241217-w2srlatphz
MD5

67164c4680d767fcc5dbe48c3586444c
SHA1

059cea33a907a59d6f41b2aceef3571bf2a4ceb0
SHA256

9c21c7149cf5980ee64d5fbb3f78a336b122cf7e92335718bcc5fa45e9dafb25
SHA512

0db0054182afcb6c3b8564457224598985958fe409503a3b1954852bd9f54ecb5ee0bb68d7a8551f369836d7e825c1bb6cda9f47f66aa43ce10d6f1b30bfe31a
SSDEEP

6144:f5yaWtrA/WSo1rl3ALrlHQpn0BwK3SBDmhYfFQ:fTW6WSofcZ+KCIG

Score

10^/10

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note

Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe

Emails

[email protected]

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

- Target
  
  2024-12-17_67164c4680d767fcc5dbe48c3586444c_luca-stealer_ryuk
- Size
  
  384KB
- MD5
  
  67164c4680d767fcc5dbe48c3586444c
- SHA1
  
  059cea33a907a59d6f41b2aceef3571bf2a4ceb0
- SHA256
  
  9c21c7149cf5980ee64d5fbb3f78a336b122cf7e92335718bcc5fa45e9dafb25
- SHA512
  
  0db0054182afcb6c3b8564457224598985958fe409503a3b1954852bd9f54ecb5ee0bb68d7a8551f369836d7e825c1bb6cda9f47f66aa43ce10d6f1b30bfe31a
- SSDEEP
  
  6144:f5yaWtrA/WSo1rl3ALrlHQpn0BwK3SBDmhYfFQ:fTW6WSofcZ+KCIG
Score

10^/10

ryuk discovery persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Ryuk family
  ryuk
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
behavioral1 behavioral2